LTC1628IG-PG#PBF

DC DC Switching Controllers Overview

The LTC1628IG-PG#PBF is a high-performance dual step-down switching regulator controller manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5 V to 36 V and supports a maximum switch frequency of 300 kHz. The device features two independent outputs capable of driving up to 5 A per channel using external N-channel synchronous MOSFETs. Packaged in a 28-lead SSOP, it functions as a current-mode DC-to-DC controller designed for efficient power conversion in multi-phase applications.

DC DC Switching Controllers Feature Summary

• Dual output architecture enabling independent control of two synchronous buck stages
• Current-mode operation allowing for precise regulation and fast transient response
• Adjustable switching frequency capability up to 300 kHz for optimized component size
• Compatibility with all N-channel synchronous power MOSFETs for high efficiency

DC DC Switching Controllers Applications

• Multi-phase point-of-load (POL) converters requiring high current density
• Industrial equipment power distribution systems
• Telecommunications infrastructure power supplies
• Embedded computing systems needing stable 3.3V or 5V rails

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'PG' indicates the 28-lead SSOP package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the ordering part number matches the exact tape-and-reel or tube packaging requirements for your assembly line. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.

DC DC Switching Controllers Selection Notes

Select this component when designing dual-output synchronous buck converters requiring wide input voltage ranges up to 36 V. It is suitable for applications demanding adjustable frequencies up to 300 kHz to minimize passive component footprint. Consider this controller for designs utilizing N-channel MOSFETs where current-mode control offers superior dynamic performance compared to voltage-mode alternatives.

DC DC Switching Controllers Part Context

This component belongs to the LTC1628 family of dual step-down switching regulator controllers. It shares functional similarities with other members like the LTC1628CG and LTC1628IUH but differs in package type and temperature grade. The IG suffix typically denotes an industrial temperature range specification, distinguishing it from commercial variants while maintaining identical electrical performance characteristics.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include the LTC1628CG#PBF and LTC1628IUH#PBF, provided package compatibility and temperature grades align with system requirements. Verify pinout consistency across SSOP variants before replacement. Alternative controllers may require redesign of feedback networks due to differing internal reference voltages or compensation characteristics.